Patent US3493453A successfully refreshed from Google Patents.
US3493453A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for making lined metallic container closures
Assignee: WR Grace and Co
•
Filing: 1966-09-14
•
Granted: 1970-02-03
•
Expires: 1986-09-14
Abstract
No abstract record available.
Inventors
- 👤 Raymond John Ceresa
- 👤 Noel Ernest Davenport
- 👤 Terence Leslie Trudgian
- 👤 Leon Yeshin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:29
CPC Classifications
C; C09; C09J; C09J123/00; C09J123/26; C09J123/30; B; B32; B32B; B32B27/00; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1028; Y10T156/1043; Y10T156/1044; Y10T156/1048; Y10T156/1052; Y10T156/1062; Y10T156/107; Y10T156/1072
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2688776A
Cited
US3202307A
Cited
US3060163A
Cited
US2968576A
Cited
US3376372A
Cited
US3442411A
Cited
US3445412A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-02 | 1973-08-04 | 1974-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-02 | 1977-08-04 | 1978-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-02 | 1981-08-04 | 1982-02-03 | $7700.00 | Window Closed / Lapsed |